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store and retrieve a class object in shared preference
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Yes we can do this using Gson
Download Working code from GitHub
SharedPreferences mPrefs = getPreferences(MODE_PRIVATE);
For save
Editor prefsEditor = mPrefs.edit();
Gson gson = new Gson();
String json = gson.toJson(myObject); // myObject - instance of MyObject
prefsEdito...
Selenium WebDriver: Wait for complex page with JavaScript to load
...support for this, however, is horrible. Firefox began to try to support it from FF4 onwards (still evolving), IE has basic support in IE9.
And I guess I could come up with another flawed solution soon. The fact is - there's no definite answer on when to say "now the page is complete" because of th...
How to set a value of a variable inside a template code?
...e_action.py inside of the templatetags directory with the following code:
from django import template
register = template.Library()
@register.simple_tag
def define(val=None):
return val
Note: Development server won’t automatically restart. After adding the templatetags module, you will need ...
How to find out which processes are using swap space in Linux?
...not provide an exact answer to the problem as pointed out in the comments. From the htop FAQ:
It is not possible to get the exact size of used swap space of a
process. Top fakes this information by making SWAP = VIRT - RES, but
that is not a good metric, because other stuff such as video mem...
How to make an immutable object in Python?
...le creates a type similar to what I described in this answer, i.e. derived from tuple and using __slots__. It is available in Python 2.6 or above.
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Get value from JToken that may not exist (best practices)
...r method gets in the way, it introduces the ability to deserialize objects from GetValue<T>, which is a pattern I want to avoid for the sake of moving my code to a platform that has a better JSON parser (say, Win8 for example). So, for what I asked, yes, your code would be perfect.
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Move existing, uncommitted work to a new branch in Git
... switch subcommand in an attempt to clear some of the confusion that comes from the overloaded usage of checkout (switching branches, restoring files, detaching HEAD, etc.)
Starting with this version of Git, replace above's command with:
git switch -c <new-branch>
The behavior is identical...
Finding index of character in Swift String
...nd they don't want to expose that. The String.Index is meant to protect us from accessing bytes in the middle of characters.
That means that any index you get must be created from String.startIndex or String.endIndex (String.Index implements BidirectionalIndexType). Any other indices can be created...
How can I create an object based on an interface file definition in TypeScript?
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Thanks. I was hoping to get away from having to define all of the modal contents initially. Would it be easier if instead of an interface I defined Modal as a class with properties and then used new and a constructor to set up all of the initial values?
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Suppress command line output
...0 is stdin, incidentally.) The 2>&1 copies output file descriptor 2 from the new value of 1, which was just redirected to the null device.
This syntax is (loosely) borrowed from many Unix shells, but you do have to be careful because there are subtle differences between the shell syntax and ...